[ASAP] Immobilization-Free Photoelectrochemical Aptasensor for Atrazine Based on Bifunctional Graphene Signal Amplification and a Controllable Sulfhydryl-Assembled BiOBr/Ag NP Microinterface Posted on 10 October 2023 by Huanhuan Sun, Ye Feng, Ziwei Zhang, Bingyu Du, Guangqiu Lu, and Meichuan Liu Analytical ChemistryDOI: 10.1021/acs.analchem.3c03219